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Pre-money valuation

Polysolar is a Cambridge cleantech company who make windows that generate electricity. Polysolar aims to lead the way with transparent photovoltaic glass that forms the fabric of the building. Their vision is to turn buildings into power stations, with windows that generate clean renewable energy.

  • Global PV and Glazing markets > $200 Billion
  • Certified cleantech business for transparent PV glass
  • Over 400% sales growth in 3 years, profitable
  • £1.5m already invested in product development and manufacturing



More than half the global population live in cities with buildings that generate over 40% of our carbon emissions. While modern urban architecture seeks to reduce its energy consumption, it is constrained by the desire for more glazing, with effective heat gains and losses, and limited renewable energy generation options.


Polysolar was formed to address this dilemma by developing and commercialising transparent photovoltaic glass technology. Supported by Innovate UK grant funding, Polysolar has invested over £1.5m in research and development to produce a range of innovative certified photovoltaic glass products that meet building and planning regulations.

The global solar photovoltaic and building glass markets are large; each with sales over $100bn annually. The solar PV glass market, combining the two, is expected to grow to $26bn by 2022.

Polysolar is expanding rapidly, achieving a 400% growth in sales over the past 3 years (£86k in 2016 to £407k in 2018; profit in 2018 is £68k).

As one of the leading brand in the market, Polysolar has installed its technology on number of reference sites for clients including Sainsbury’s, Network Rail and Canary Wharf. In 2018, the company aims to further expand overseas.

Polysolar is looking for your support and participation in its next phase of its growth in the micro renewable energy economy.

Disclosure: director's loan exist

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